Web Cable Catapult Tension Network for High-Velocity Launch
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing launching systems face challenges with high flexural stress, centrifugal force, and friction, making them costly and inefficient for launching projectiles at high velocities, and are difficult to scale up.
Innovation Solution
A web cable catapult system using a network of interconnected flexible cables that form a V-shaped vertex during launch, transferring energy efficiently without external levers, allowing for high-speed launches by multiplying the speed ratio of the projectile.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If traditional lever systems are used for launching projectiles, then leverage can be achieved, but high flexural stress and centrifugal force occur making the system costly and difficult to scale
Solution Approach 1:
The patent replaces the traditional rigid lever system with a flexible cable system that uses tension rather than flexural stress to achieve leverage. The cable network transfers kinetic energy through tensile forces, eliminating the high flexural stresses and centrifugal forces that plague spinning catapult levers while maintaining the mechanical advantage needed for high-velocity launches.
2Speed
If spinning catapults are used to launch projectiles, then high velocity can be achieved, but high friction occurs making it difficult to maintain velocity
Solution Approach 1:
The invention substitutes the spinning rotational mechanism with a linear cable-tension system. By using a network of flexible cables that are pulled linearly to launch the projectile, the system eliminates the high-friction bearing and rotational contacts inherent in spinning catapults, thereby reducing energy loss and maintaining higher launch velocities.
3Force
If traditional lever systems are used for launching, then projectile launch is achieved, but the system is costly in construction and difficult to scale up
Solution Approach 1:
The patent employs flexible cables instead of rigid lever structures. Cables can be manufactured more cheaply and in greater volumes than precision-engineered lever components, and they can be easily scaled by simply adding more cables or increasing cable tension capacity without requiring complex structural modifications.
4Strength
If rigid lever systems are used, then structural strength is maintained, but the system cannot easily be scaled up for mass production
Solution Approach 1:
The system transitions from static rigid levers to dynamic flexible cables that can adapt their configuration and tension levels. This flexibility allows the same basic cable network design to be scaled to different launch capacities by adjusting cable tension, cable diameter, or the number of cables, without requiring fundamental redesign of the structural framework.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system achieves high velocity launches by leveraging the mechanical properties of flexible cables, overcoming the limitations of traditional lever systems, and is cost-effective and scalable.
Implementation Method 1
a web cable network comprising a plurality of interconnected flexible cables... when the pulling element is in a launch position, the web cable network tightens such that the middle section of each flexible cable of the web cable network form a V-shaped vertex
Data Source
AI summary
Various systems affiliated with launching a projectile of interest are disclosed. More specifically, the systems are directed to web cable catapult systems for launching the projectile. In a web cable catapult system for launching a projectile, the system includes a moveable pulling element; and a web cable network comprising a plurality of interconnected flexible cables. The system can include support elements to anchor the web cable network. Preferably, when the pulling element is in a launch position, the web cable network tightens such that the middle section of each flexible cable of the web cable network forms a V-shaped vertex.